B61C7/00—Other locomotives or motor railcars characterised by the type of motive power plant used; Locomotives or motor railcars with two or more different kinds or types of motive power
B61C7/04—Locomotives or motor railcars with two or more different kinds or types of engines, e.g. steam and IC engines
Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
Landscapes
Engineering & Computer Science
(AREA)
Transportation
(AREA)
Mechanical Engineering
(AREA)
Electric Propulsion And Braking For Vehicles
(AREA)
Dispositif réalisant la transformation du courant continu à voltage constant en puissance mécanique à couple constant jusqu'à une vitesse donnée, avec réduction automatique au-delà, et la transformation inverse avec les mêmes caractéristiques mécaniques.